NL173570C - PERSONAL CALL SYSTEM INCLUDING A NUMBER OF RECIPIENTS AND AN APPARATUS FOR INDICATING THE ABSENCE OF A CALLED PERSON. - Google Patents

PERSONAL CALL SYSTEM INCLUDING A NUMBER OF RECIPIENTS AND AN APPARATUS FOR INDICATING THE ABSENCE OF A CALLED PERSON.

Info

Publication number
NL173570C
NL173570C NLAANVRAGE7216307,A NL7216307A NL173570C NL 173570 C NL173570 C NL 173570C NL 7216307 A NL7216307 A NL 7216307A NL 173570 C NL173570 C NL 173570C
Authority
NL
Netherlands
Prior art keywords
recipients
absence
indicating
system including
call system
Prior art date
Application number
NLAANVRAGE7216307,A
Other languages
Dutch (nl)
Other versions
NL7216307A (en
NL173570B (en
Inventor
Abraham Janssens
Original Assignee
Philips Nv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Nv filed Critical Philips Nv
Priority to NLAANVRAGE7216307,A priority Critical patent/NL173570C/en
Priority to DE19732356529 priority patent/DE2356529C3/en
Priority to CA186,902A priority patent/CA987805A/en
Priority to JP13400673A priority patent/JPS5527741B2/ja
Priority to GB5517873A priority patent/GB1432196A/en
Priority to FR7342314A priority patent/FR2209150B1/fr
Publication of NL7216307A publication Critical patent/NL7216307A/xx
Publication of NL173570B publication Critical patent/NL173570B/en
Application granted granted Critical
Publication of NL173570C publication Critical patent/NL173570C/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • G08B3/1008—Personal calling arrangements or devices, i.e. paging systems
    • G08B3/1016—Personal calling arrangements or devices, i.e. paging systems using wireless transmission
    • G08B3/1075—Paging racks
NLAANVRAGE7216307,A 1972-12-01 1972-12-01 PERSONAL CALL SYSTEM INCLUDING A NUMBER OF RECIPIENTS AND AN APPARATUS FOR INDICATING THE ABSENCE OF A CALLED PERSON. NL173570C (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
NLAANVRAGE7216307,A NL173570C (en) 1972-12-01 1972-12-01 PERSONAL CALL SYSTEM INCLUDING A NUMBER OF RECIPIENTS AND AN APPARATUS FOR INDICATING THE ABSENCE OF A CALLED PERSON.
DE19732356529 DE2356529C3 (en) 1972-12-01 1973-11-13 High-frequency paging system with a device to indicate the absence of a wanted subscriber and the receiver used
CA186,902A CA987805A (en) 1972-12-01 1973-11-28 Paging system comprising a device for indicating the absence of a paged subscriber
JP13400673A JPS5527741B2 (en) 1972-12-01 1973-11-28
GB5517873A GB1432196A (en) 1972-12-01 1973-11-28 Paging system receiver
FR7342314A FR2209150B1 (en) 1972-12-01 1973-11-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLAANVRAGE7216307,A NL173570C (en) 1972-12-01 1972-12-01 PERSONAL CALL SYSTEM INCLUDING A NUMBER OF RECIPIENTS AND AN APPARATUS FOR INDICATING THE ABSENCE OF A CALLED PERSON.

Publications (3)

Publication Number Publication Date
NL7216307A NL7216307A (en) 1974-06-05
NL173570B NL173570B (en) 1983-09-01
NL173570C true NL173570C (en) 1984-02-01

Family

ID=19817457

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7216307,A NL173570C (en) 1972-12-01 1972-12-01 PERSONAL CALL SYSTEM INCLUDING A NUMBER OF RECIPIENTS AND AN APPARATUS FOR INDICATING THE ABSENCE OF A CALLED PERSON.

Country Status (5)

Country Link
JP (1) JPS5527741B2 (en)
CA (1) CA987805A (en)
FR (1) FR2209150B1 (en)
GB (1) GB1432196A (en)
NL (1) NL173570C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT218519Z2 (en) * 1989-07-25 1992-05-27 Umberto Cardini IMPROVEMENTS IN SAFETY DEVICES EQUIPPED WITH REMOTE CONTROL.
NL9001318A (en) * 1990-06-11 1992-01-02 Ericsson Radio Systems Bv SYSTEM FOR DETECTING THE PRESENCE IN A RACK OF A PORTABLE UNIT SUITABLE FOR TRANSMITTING OR RECEIVING A SIGNAL WITH AN ASSIGNED IDENTIFICATION NUMBER.
FR3139632A1 (en) 2022-09-13 2024-03-15 Psa Automobiles Sa MONITORING DISCHARGE CURRENT PEAKS OF A VEHICLE’S RECHARGEABLE BATTERY

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE372640B (en) * 1971-12-06 1974-12-23 Sonab Dev Ab

Also Published As

Publication number Publication date
DE2356529A1 (en) 1974-06-06
CA987805A (en) 1976-04-20
JPS4989402A (en) 1974-08-27
GB1432196A (en) 1976-04-14
FR2209150B1 (en) 1976-11-19
NL7216307A (en) 1974-06-05
FR2209150A1 (en) 1974-06-28
DE2356529B2 (en) 1976-08-26
NL173570B (en) 1983-09-01
JPS5527741B2 (en) 1980-07-23

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee